surreptitious /sur-əp-tishˈəs/

1. Done by stealth or fraud
2. Stealthy

• merry
• merry-andrew
• merry as a grig
• merry dancers
• merry England
• merry-go-round
• merry-go-rounds
• merry-made
• merry-make
• merrymaker
• merrymakers
• merry-makes
• merry-making
• merrymaking
• merrymakings
• merryman
• merry men
• merrymen
• merry-night
• merry-nights
• merrythought
• merrythoughts
• mersalyl
• mersalyls
• merse